Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Price, Percentage of Fair Value

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- Definition

Amount of cost capitalized for award under share-based payment arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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-Publisher FASB
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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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-Publisher FASB
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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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- Definition

Number of grantees affected by modification of award under share-based payment arrangement.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) employee $ / shares shares	Dec. 31, 2018 USD ($) $ / shares	Dec. 31, 2017 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation capitalized in inventory	$ 0.5	$ 0.3	$ 0.4
Incremental stock-based compensation expense related to award modifications	$ 0.0	1.8	0.3
Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	10 years
Aggregate intrinsic value of stock options exercised		$ 1.3	$ 0.2
Aggregate unrecognized compensation expense	$ 8.7
Aggregate unrecognized compensation cost, period for recognition	2 years 7 months 6 days
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate unrecognized compensation expense	$ 4.3
Aggregate unrecognized compensation cost, period for recognition	1 year 6 months 15 days
Weighted average grant date fair value of awards granted (in USD per share) \| $ / shares	$ 6.51	$ 15.02	$ 50.10
Total fair value of awards vested	$ 0.9	$ 2.1	$ 1.8
2015 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of common stock available for issuance (in shares) \| shares	4,130,000
Shares available for grant under the plan (in shares) \| shares	1,100,992
Annual vesting percentage	33.33%
Vesting period	2 years
2015 Stock Incentive Plan \| Common stock options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option exercise price as a percentage of closing fair market value of common stock	100.00%
2017 Inducement Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of common stock available for issuance (in shares) \| shares	900,000
Shares available for grant under the plan (in shares) \| shares	497,059
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under the plan (in shares) \| shares	434,542
Discount from market price	15.00%
Award Modifications
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of employees affected by award modification \| employee	2